Tegan and Sara Perform "I Was A Fool" with Los Angeles Grand Arts High School Choir on Conan

Tegan and Sara were the special musical guest on last night's (September 19th) installment of Conan.

The Canadian indie-pop duo performed their recent single "I Was A Fool," alongside the Los Angeles Grand Arts High School choir.



Tegan and Sara are currently opening up for Katy Perry on her "PRISMATIC" tour. Dates and ticket information can be found here.